86mm Unilin Safe-R SR/STP Phenolic Soffit Plus Board - (80mm Phenolic and 6mm Building Panel)
86mm Unilin Safe-R SR/STP Phenolic Soffit Plus Board - (80mm Phenolic and 6mm Building Panel)
- Product Code: A1-4992
- Delivery Time: 2 - 3 working days
- Brand: Unilin (prev. Xtratherm) (Tech. support: 03712221055)
- Model: 2400x1200mm - 2.88m2
Our ratings on 22-05-2026:
4.8 out of 5
86mm Unilin Safe-R SR/STP Phenolic Soffit Plus Board - (80mm Phenolic + 6mm Building Panel)
Length: 2400mm
Width: 1200mm
Thickness: 86mm
Board Coverage: 2.88m2
Thermal Conductivity: 0.021W/mK
R-Value: 3.8m2K/W
Compressive Strength: 120kPa
Fire Rating (Reaction to Fire): B(Class 0)
86mm Unilin Safe-R SR/STP Phenolic Soffit Plus Board (80mm Phenolic + 6mm Building Panel) is a superior performance ceiling insulation board with enhanced fire performance, consisting of an Euroclass B s1 d0 phenolic foam core with negligible smoke obscuration. Unilin Safe-R SR/STP phenolic core is faced with low emissivity aluminium facings both sides, and has a thermal conductivity as low as 0.020W/mK.
Note: this product was formerly known as 86mm Xtratherm Safe-R SR/STP Phenolic Soffit Plus Board
APPLICATION
- Designed to use for ceiling insulation
CHARACTERISTICS
- Superior performance phenolic foam,
- Provides the most efficient U-values with minimal thickness,
- Effective thermal and fire performance,
- Low smoke obscuration,
- Low risk fire rating - Euroclass B s1 d0,
- For new build or refurbishment,
- Rot proof and will remain effective for the life span of the building,
- Can be readily cut using a sharp knife or fine toothed saw.
CERTIFICATION

Brand: Unilin (prev. Xtratherm)
Model: 1200mm x 450mm - 2.16m2
Delivery Time: 1-3 working days
90mm Unilin Thin-R Plus XT/CF is a superior performance, enhanced polyisocyanurate (PIR) insulation, specifically engineered for full-fill thermal insulation in new external masonry cavity walls. This advanced insulation board is designed to meet and exceed the stringent thermal requirements of Brit..
Brand: Unilin (prev. Xtratherm)
Model: 1200mm x 2400mm - 2.88m2
Delivery Time: 1-3 working days
42.5mm Unilin Thin-R Thermal Liner XT/TL-MF is a composite insulated panel of 30mm Unilin PIR core with foil faces bonded to 12.5mm tapered edge plasterboard for mechanically fixing to internal walls. Unilin XT/TL-MF is designed to provide high levels of thermal insulation and dry lining in one oper..
Guide Price: £47.53
£57.04 inc VAT
Brand: Unilin (prev. Xtratherm)
Model: 2400mm x 1200mm - 2.88m2
Delivery Time: 1-3 working days
15mm Unilin Thin-r XT/PR-UF has a core of polyisocyanurate (PIR) bonded to low emissivity textured aluminium foil facings. Unilin XT/PR-UF board offers excellent insulation performance with excellent thermal conductivity. Unilin XT/PR-UF is CFC & HCFC free and is manufactured under the highest stand..
Guide Price: £27.97
£33.56 inc VAT
Brand: Unilin (prev. Xtratherm)
Model: 1200mm x 450mm - 2.16m2
Delivery Time: 7 - 10 days
100mm Unilin Safe-R 019/CW Phenolic Partial Fill Cavity Insulation Board is a high‑performance phenolic insulation panel designed for traditional masonry cavity walls. It delivers excellent thermal efficiency while preserving a clear residual cavity, helping protect buildings from wind‑driven rain. ..
Brand: Unilin (prev. Xtratherm)
Model: 1250x600mm - 3.0m2
Delivery Time: 2 - 3 working days
100mm Unilin XPS 300 is an extremely durable heavy duty thermal insulation board made of extruded polystyrene offering exceptional thermal performance and versatility. It is a lightweight board that is able to withstand extreme loads. It has a rebated edge.CHARACTERISTICSExtremely strong,Compressive..
Brand: Unilin (prev. Xtratherm)
Model: 2400x1200mm - 2.88m2
Delivery Time: 2 - 3 working days
126mm Unilin Xtroliner XO/STP PIR Soffit Plus Board (120mm PIR + 6mm Building Panel) is a superior performance ceiling insulation board with enhanced fire performance, consisting of an Euroclass B s1 d0 PIR foam core with negligible smoke obscuration. Unilin Xtroliner XO/STP PIR core is faced with l..